Product Code:SAE AMS3055 Title:Lubricant, Instrument Bearing, Petroleum Base, Viscosity 15 Issuing Committee:Ams B Finishes Processes And Fluids Committee Scope: This specification covers the requirements for a refined paraffinic petroleum-base lubricant. Primarily as a lubricant in spin axis bearings of gyroscopes, accelerometers, and similar bearing applications.